llAndReadBoard.cpp

#include<iostream>
#include <string>
#include<fstream>
#include <vector>



using namespace std ;

struct node{
    int value;
    node* next;
    node(int val) {
        value = val;
        next = nullptr;
    }
};

int main()
{

    node* head = new node(0), *cur = head, *temp;
    int c = 0;
    while(c < 10){
        temp = new node(++c);
        cur->next = temp;
        cur = temp;
    }

    node* travel = head;
    node* prev;
    int move = 2;
    int i = 0;
    cout<<"first move"<<endl;
    while(i < move){
        cout<<travel->value<<"->";
        prev = travel;
        travel = travel->next;
        i++;
        delete prev;
    }
    cout<<endl;
    move = 3;
    i = 0;
    cout<<"second move"<<endl;
    while(i < move){
        cout<<travel->value<<"->";
        prev = travel;
        travel = travel->next;
        i++;
        delete prev;
    }
    cout<<"\nrest"<<endl;
    while(travel != nullptr){
        cout<<travel->value<<"->";
        prev = travel;
        travel = travel->next;
        delete prev;
    }
    cout<<"null"<<endl;

    ifstream in("board.txt");
    vector<vector<char>> board;
    int num = 0;
    string line;
    int lineCount = 0;
    while(getline(in,line)){
        cout<<"At line "<<lineCount<<" "<<line<<endl;
        vector<char> boardPart;
        for(int i = 0; i < line.length(); ++i) {
            boardPart.push_back(line[i]);
        }
        board.push_back(boardPart);
        lineCount++;

    }
    cout<<endl;

    for(int i = 0; i < board.size(); ++i){
        int len = board[i].size();
        for(int j = 0; j < len; ++j){
            cout<<"[i="<<i<<" j="<<j<<" space="<<board[i][j]<<"] "<<endl;
        }
        cout<<endl;
    }

    for(vector<char> bp : board){
        for(char c : bp){
            cout<<c<<" ";
        }
        cout<<endl;
    }
    board[12][10] = 'G';
    board[10][10] = '6';
    cout<<endl;
    
    for(vector<char> bp : board){
        for(char c : bp){
            cout<<c<<" ";
        }
        cout<<endl;
    }


    return 0;
}